Dongan building sheet metal carved decorative sandwich panel, is a kind of new material for external building insulation and decoration, which is favored by more and more builders. The inner has various of materials with high density, such as pu, eps, pir and so on. The surface is AL-ZN alloy coated steel sheet. And for insulation, fireproof and dampproof, the bottom material adopts aluminium foil layer, which has best performance on insulation and dampproof.
